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Angularjs Advantages & Disadvantages

By Author: Aglowid IT Solutions
Total Articles: 5

AngularJS is an open source, JavaScript framework developed by Google's engineers.
It is widely used by the developers and people who are more into Web and Mobile application. It's a Web-Centric Application. We will be discussing more how it is helpful and where it lacks in terms of AngularJS app development.

Advantages of AngularJS :

• Open Source :
Likewise Google's Android, AngularJS is an open source, which can be modified by the user the way he wants either he can continue with the original framework or UI.
• Implicit MVC :
AngularJS has a built-in MVC Structure allowing the user to modify, view and control the elements. Later on, those components are stringed together automatically.
• Unit Testing:
Provides functionality where each and every unit can be tested individually.
• Data Binding:
AngularJS supports Two-way Data Binding. Like, if you change or modify the data in Model, it will automatically change the data in View section or vice versa. The main benefit is that it will save time and developer have to write less code.
• Performance:
The server works extremely great as it supports caching and other processes.
• Active SPA :
It is mostly used to develop Single Page Applications.
SPA - Applications like these have only one HTML page which gets dynamically updated using AJAX.
• DOM :
DOM stands for Document Object Model. It allows to create new directives and also used for binding the data to DOM HTML elements.
• Dependency Injection :
In this, a specific amount of unit is to be tested. If changes are made related to that unit, only specific amount of that code will be taken into consideration for testing. Dependency Injection provides dependency to the elements which makes it easy for the developer to use, maintain and Test.
Disadvantages of AngularJS :

• JavaScript support Mandatory:
There will be many devices like laptops and computers which will be able to connect to your server but support for their JavaScript is being disabled. Users like those who are facing these problems will face difficulty in loading or viewing those sites with JavaScript.
• Scopes:
A scope is used to merge JavaScript(Controller) and HTML(View) together. Its hardest task to debug the process if you are using it for the first time.
• Audience :
As an audience, only 2000 watchers will be able to view the site a time. If it exceeds, UI will start lagging.
• Two-way Data Binding:
Two-way data binding uses a technique which checks variables twice. It makes the UI process a bit slower.
• SEO Incompatibility :
AngularJS lacks in being SEO friendly. You can deliver AngularJS apps to the client side, but not on the server side.

From above, we have finally got an idea about the conveniences and deficiencies of the AngularJS which are useful for the developers as well as where it lacks. There are already been updates rolled out above this version which are Angular 2,4,5 and Angular 6 which is the latest version of Angular. According to the updates Google has rolled out some optimization in every updates. Each and every update carry bugs solving part compared to earlier version.

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